Summary of Bridge Rails by Test Level

Bridge rails are crash tested to various test levels. The exact parameters of these levels are presented in Chapter 2. Bridge railing group by test level is summarized in the following table.

**Table A.1: Bridge Rails by Test Level**
Low speed (45 mph or less)	High Speed (above 45 mph)
TL-2 (car and pickup)	TL-3 (car and pickup)	TL-4 (single unit truck, car, and pickup)	TL-5 (tractor-van trailer, car, and pickup)	TL-6 (tractor-tank trailer, car, and pickup)
T631LS	T1F	T2P / C2P	T224	T80TT
T411	T1P	T222	T80HT
C411	T1W	T402 / C402	T80SS
	T221 / C221	SSTR	C412
	T223 / C223	C1W
	T551 / T552
	T631
	T66 / C66
	T131RC
	T221P

Section 5: Bridge Rail Type Selection Guidance